Our blog Get insights into TikTok's technology, engineering updates, and more. Articles All topics Tech @ TikTok Developer products All topics Beyond Hallucinations: Uncovering Linguistic Bias in Vision-Language Models AI-generated descriptions often get stuck in linguistic loops—repeating labels, flooding attributes, propagating roots. We detect these bias patterns using attribution before they skew creative outputs. Research When Tools Become Prompts: Why Multi-Turn MCP Systems Break Traditional Security Assumptions How multi-turn MCP systems enable direct PII propagation and cross-server PII reconstruction, revealing security failures that do not appear in single-turn tool evaluations. Research Privacy TikTok TechJam 2025 Highlights: Building with Joy, Coding for Change TikTok TechJam brings university students together to push boundaries and showcase creativity. This year's edition drew 2,000+ applications and 308 submissions, with 12 finalist teams tackling real-world challenges. Community European Capture the Flag on Privacy-Preserving Database Systems Oblivious and TikTok announce PET ARENA, a CTF competition where participants design redteaming exercises against protections like differential privacy. Top prize: €4000. Open to students, researchers, and engineers based in Europe. Security Privacy Research Community TikTok x IMDA Dev Day: Building with Singapore's Tech Community We teamed up with Singapore's tech community at Developer Discovery Day to explore AI and cloud innovation, share TikTok's developer tools, and support hands-on learning and collaboration. Community Introducing Knit: Zero-Overhead Dependency Injection As the TikTok app continued to grow, we began to encounter challenges that prompted us to rethink our approach to dependency injection. Tech @ TikTok Open source TikTok saves up to 50% on costs with ~50 lines of code with Prompt Caching Learn how TikTok reduced inference costs by up to 50% using a lightweight prompt caching strategy implemented in just ~50 lines of code. Tech @ TikTok I ❤️ PETs Webinar: Exploring the Frontiers of AI, Identity and Privacy Through Open Innovation On‑demand recap of the I ❤️ PETs half‑day webinar exploring privacy‑enhancing technologies for ethical AI, identity and trust. Community Privacy PrivacyGo Joins IMDA PET Sandbox for Privacy-Preserving Ad Measurement TikTok's open source PrivacyGo joins Singapore's IMDA PET Sandbox, enabling regulator-reviewed, privacy-preserving analytics with PETs like MPC and Differential Privacy for secure, compliant data collaboration. Open source Privacy LF AI & Data Day Singapore 2025: "Agent for SWE" Recap Recap of LF AI & Data Day Singapore 2025 where the open source AI community explored the "Agent for SWE" theme, covering code optimization, AI infrastructure insights. Community Open source ManaTEE: Enabling Verifiable AI Transparency via Confidential Computing ManaTEE securely evaluates AI models inside TEEs, preserving confidentiality while providing cryptographically verifiable results. Prove fairness and accuracy without exposing your model, ensuring trust between providers, partners, and regulators. Open source Community Transparency by Design: Why Open Source AI Matters for Privacy An overview of how open source AI supports algorithmic transparency, auditing, and regulatory compliance, highlighting its role in enabling oversight and aligning with emerging legal frameworks. Privacy Showing 1 to 12 of 76 results 1 2 3 4 7 Want to stay in the loop? Subscribe to our mailing list to be the first to know about future blog posts! Subscribe By providing your email address and subscribing, you consent to TikTok sending you email notifications whenever a new article is posted on our blogs. You may opt out at any time using the unsubscribe link in each email. Read our full Privacy Policy for more information.